{
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   "id": "fa653665",
   "metadata": {},
   "source": [
    "------\n",
    "* 时间：2022/10/17 week09\n",
    "* 记录人：许智超\n",
    "------\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ad43acd2",
   "metadata": {},
   "source": [
    "# 本周知识点\n",
    "\n",
    "> 1. 用户输入\n",
    "\n",
    "> 2. 文本的格式化输出"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f825562e",
   "metadata": {},
   "source": [
    "## 1. 用户输入\n",
    "\n",
    "* input方法"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "ce628ca4",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：admin\n",
      "密码：123456\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统 \n",
    "username = input(\"账号：\")\n",
    "password = input(\"密码：\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "5902c55a",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "admin\n",
      "123456\n"
     ]
    }
   ],
   "source": [
    "print(username)\n",
    "print(password)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "cd6c1688",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：njhdfl\n",
      "密码：4819\\\n",
      "账号不存在或密码不正确！请重新输入！\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统 迭代1 增加判断\n",
    "user01 = \"admin\"\n",
    "password01 = \"123456\"\n",
    "\n",
    "\n",
    "username = input(\"账号：\")\n",
    "password = input(\"密码：\")\n",
    "# 情景一：账号密码都正确\n",
    "if user01 == username and  password01 == password:\n",
    "    print(\"登陆成功~欢迎\"+user01)\n",
    "# 情景二：账号不存在或密码不正确\n",
    "else:\n",
    "    print(\"账号不存在或密码不正确！请重新输入！\")\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "32812d28",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "账号：admin\n",
      "密码：123456\n",
      "登陆成功~欢迎admin\n"
     ]
    }
   ],
   "source": [
    "# 用户登录系统 迭代2 循环！ 5分钟，加油~ for + range()  10点35分 \n",
    "\n",
    "user01 = \"admin\"\n",
    "password01 = \"123456\"\n",
    "\n",
    "for i in range(3,0,-1):\n",
    "    username = input(\"账号：\")\n",
    "    password = input(\"密码：\")\n",
    "    # 情景一：账号密码都正确\n",
    "    if user01 == username and  password01 == password:\n",
    "        print(\"登陆成功~欢迎\"+user01)\n",
    "        break # 中止循环\n",
    "    # 情景二：账号不存在或密码不正确，用户可以输入三次，三次之后1小时之后再来尝试\n",
    "    else:\n",
    "        if i>1:\n",
    "            print(\"账号不存在或密码不正确！请重新输入！您还有\"+str(i-1)+\"次尝试的机会\")\n",
    "        else:\n",
    "            print(\"账号不存在或密码不正确！请1小时候再来尝试\")\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7605129e",
   "metadata": {},
   "source": [
    "## 2. 字符串的格式化输出\n",
    "\n",
    "> 1. 字符串的拼接\n",
    "> 2. 占位符\n",
    "> 3. 格式化输出的方法：format()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "7a338b66",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：李华\n",
      "地区：深圳\n",
      "工作：产品经理助理\n",
      "年龄：22\n",
      "期待薪资：10K/月\n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息）：字符串的拼接\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''---------INFO '''+ name + '''--------\n",
    "地区：'''+ region + '''\n",
    "工作：'''+ job + '''\n",
    "年龄：'''+ age + '''\n",
    "薪资期待：'''+salary\n",
    "# 好麻烦，好容易出错！"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "38b64a0a",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "---------INFO 李华--------\n",
      "地区：深圳\n",
      "工作：产品经理助理\n",
      "年龄：22\n",
      "薪资期待：10K/月\n"
     ]
    }
   ],
   "source": [
    "print(info)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "eba1ca77",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：李华\n",
      "地区：深圳\n",
      "工作：用户增长\n",
      "年龄：22\n",
      "期待薪资：10K\n",
      "---------INFO 李华 --------\n",
      "地区：用户增长 \n",
      "工作：深圳 \n",
      "年龄：22\n",
      "薪资期待：10K \n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息） : 占位符 s%\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''---------INFO %s --------\n",
    "地区：%s \n",
    "工作：%s \n",
    "年龄：%s\n",
    "薪资期待：%s '''%(name,region,job,age,salary)\n",
    "print(info)\n",
    "# 局限性：有序，个数确定，不能乱写"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "82b9409b",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "昵称：李华\n",
      "地区：深圳\n",
      "工作：python web开发\n",
      "年龄：22\n",
      "期待薪资：18K/月\n",
      "---------INFO 李华 --------\n",
      "地区：深圳\n",
      "工作：python web开发 \n",
      "年龄：22\n",
      "薪资期待：18K/月 \n"
     ]
    }
   ],
   "source": [
    "# 用户的信息输入（完善信息） : format()\n",
    "name = input(\"昵称：\")\n",
    "region = input(\"地区：\")\n",
    "job = input(\"工作：\")\n",
    "age = input(\"年龄：\")\n",
    "salary = input(\"期待薪资：\")\n",
    "\n",
    "info = '''---------INFO {昵称} --------\n",
    "地区：{地区}\n",
    "工作：{工作职位} \n",
    "年龄：{年龄}\n",
    "薪资期待：{薪资} '''.format(工作职位=job,薪资=salary,昵称=name,年龄=age,地区=region)\n",
    "print(info)\n",
    "# 书写规范，字符串中的 字段 一一对应，不考虑其顺序"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "daf4ed33",
   "metadata": {},
   "source": [
    "## 课后作业： \n",
    "> 1. 第二章P93 前所有项目练习（下周讲）\n",
    "> 2. 购物车项目\n",
    ">> 要求：\n",
    ">> 1. 运行程序后，让用户输入支付宝余额，然后打印我们的商品列表给用户。\n",
    ">> 2. 让用户输入商品编号进行商品的购买。\n",
    ">> 3. 用户选择商品后，检查用户的余额是否够，若够则直接扣款，不够则提醒用户。\n",
    ">> 4. 用户可以随时退出购买，推出时打印用户已购买的商品和支付宝余额。\n",
    "\n",
    "* 温馨提示：网上有很多购物车项目(但由于很多人为了\"炫技\"，99%以上我们可能阅读不了~)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6f67b566",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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